vulnerability
Red Hat: CVE-2021-23017: CVE-2021-23017 nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | 2021-06-01 | 2021-06-08 | 2023-12-15 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
2021-06-01
Added
2021-06-08
Modified
2023-12-15
Description
A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.
Solution(s)
redhat-upgrade-nginxredhat-upgrade-nginx-all-modulesredhat-upgrade-nginx-debuginforedhat-upgrade-nginx-debugsourceredhat-upgrade-nginx-filesystemredhat-upgrade-nginx-mod-http-image-filterredhat-upgrade-nginx-mod-http-image-filter-debuginforedhat-upgrade-nginx-mod-http-perlredhat-upgrade-nginx-mod-http-perl-debuginforedhat-upgrade-nginx-mod-http-xslt-filterredhat-upgrade-nginx-mod-http-xslt-filter-debuginforedhat-upgrade-nginx-mod-mailredhat-upgrade-nginx-mod-mail-debuginforedhat-upgrade-nginx-mod-streamredhat-upgrade-nginx-mod-stream-debuginfo
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